package cn.inface.cn.jiekou2;

public class Person {
    public void use(Telephone telephone){
      telephone.dailup();
    }
    public void use(Dvd dvd){
        dvd.play();
    }
    public  void use(Camera camera){
        camera.takePhoto();
    }
    public  void use(Mobile mobile){
        mobile.dailup();
        mobile.play();
        mobile.takePhoto();
    }
}
